Files
micropython/tests/ports/webassembly/await_js_async_py.mjs
2024-03-30 13:13:51 +11:00

36 lines
768 B
JavaScript

// Test JavaScript await'ing on Python async functions.
const mp = await (await import(process.argv[2])).loadMicroPython();
globalThis.asyncTimeout = (ms) =>
new Promise((resolve) => setTimeout(resolve, ms));
mp.runPython(`
import js
def f0():
print("f0 run")
return 1
async def f1():
print("f1 run")
return 2
async def f2():
print("f2 start")
await js.asyncTimeout(0)
print("f2 end")
return 3
async def f3():
print("f3 start")
ret = await f2()
print("f3 end")
return ret + 1
`);
console.log("f0 return:", await mp.globals.get("f0")());
console.log("f1 return:", await mp.globals.get("f1")());
console.log("f2 return:", await mp.globals.get("f2")());
console.log("f3 return:", await mp.globals.get("f3")());